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| 1 | Ether chain functionalized fullerene derivatives as cathode interface materials for efficient organic solar cells显示文摘The electron transport layer (ETL)plays a crucial role on the electron injection and extraction, resulting in balanced charge transporting and reducing the interracial energy barrier.The interface compatibility and electrical contact via employing appropriate buffer layer at the surface ofhydrophobic organic active layer and hydrophilic inorganic electrode are also essential for charge collections.Herein,an ether chain functionalized fullerene derivatives [6,6]-phenyl-C61-butyricacid-(3,5-bis (2-(2-ethoxyethoxy)-ethoxy)-phenyl)-methyl ester (C60- 2EPM)was developed to modify zinc oxide (ZnO)in inverted structure organic solar cells (OSCs).The composited ZnO/Cr0-2EPM interface layer can help to overcome the low interface compatibility between ZnO and organic active layer.By introducing the C60-2EPM layer,the composited fullerene derivatives tune energy alignment and accelerated the electronic transfer,leading to increased photocurrent and power conversion efficiency (PCE)in the inverted OSCs.The PCE based on PTB7-Th: PC71BM was enhance from 8.11% on bare ZnO to 8.38% and 8.65%with increasing concentrations of 2.0and 4.0 mg/mL,respectively.The fullerene derivatives C60-2EPM was also used as a third compound in P3HT:PC61BM blend to form ternary system,the devices with addition of Cro-2EPM exhibited better values than the control device. | Jikang LIU Junli LI Guoli TU | 2018 | Frontiers of Optoelectronics2018，11，4： | 1 |
| 2 | Hunting Sodium Dendrites in NASICON-BasedSolid-State Electrolytes显示文摘NASICON-(Na superionic conductor-)based solid-state electrolytes(SSEs)are believed to be attracting candidates for solid-state sodium batteries due to their high ionic conductivity and prospectively reliable stability.However,the poor interface compatibility and the formation of Na dendrites inhibit their practical application.Herein,we directly observed the propagation of Na dendrites through NASICON-based Na3.1Zr2Si2.1P0.9O12 SSE for the first time.Moreover,a fluorinated amorphous carbon(FAC)interfacial layer on the ceramic surface was simply developed by in situ carbonization of PVDF to improve the compatibility between Na metal and SSEs.Surprisingly,Na dendrites were effectively suppressed due to the formation of NaF in the interface when molten Na metal contacts with the FAC layer.Benefiting from the optimized interface,both the Na||Na symmetric cells and Na3V2(PO4)3||Na solidstate sodium batteries deliver remarkably electrochemical stability.These results offer benign reference to the maturation of NASICON-based solid-state sodium batteries. | Qiangqiang Zhang Yaxiang Lu Weichang Guo Yuanjun Shao Lilu Liu Jiaze Lu Xiaohui Rong Xiaogang Han Hong Li Liquan Chen Yong-Sheng Hu | 2021 | Energy Material Advances2021，，1： | 1 |
| 3 | Computing Optimal Interfacial Structure of Modulated Phases显示文摘We propose a general framework of computing interfacial structures between two modulated phases.Specifically we propose to use a computational box consisting of two half spaces,each occupied by a modulated phase with given position and orientation.The boundary conditions and basis functions are chosen to be commensurate with the bulk phases.We observe that the ordered nature of modulated structures stabilizes the interface,which enables us to obtain optimal interfacial structures by searching local minima of the free energy landscape.The framework is applied to the Landau-Brazovskii model to investigate interfaces between modulated phases with different relative positions and orientations.Several types of novel complex interfacial structures emerge from the calculations. | Jie Xu Chu Wang An-Chang Shi Pingwen Zhang | 2017 | Communications in Computational Physics2017，21，1： | 0 |
| 4 | CARBON FIBRE ELECTROPLATED BY Cu-Ni DUPLEX COATING AND ITS COMPOSITE显示文摘The carbon fibre was electroplated continuously by a duplex coating of Ni prior to Cu,andthe composite made of this carbon fibre together with Cu matrix has been investigated,thecompatibility between carbon fibre and duplex coating and flexural strength,linear thermalexpansion coefficient and electric resistivity of the composite have also been examined.Owingto the transformation of face-centred cubic Cu-Ni solid solution in the duplex coating underhigh temperatures,both the nodulizing shrinkage of Cu coating alone and the graphitizationof carbon fibre accelerated by single Ni coating with a consequent loss of strength were im-proved.Because of the dissolving of minute carbon fibre in the interfacial Cu-Ni solid solu-tion,the bonding strength and flexural strength of the composite were significantly increased,and the length of carbon fibre pulled out on the fracture surface was obviously reduced.Theinterface of the composite seems to be of the dissolution bonding. | SUN Shoujin ZHANG Mingda Institute of Metal Research,Academia Sinica,Shenyang,China | 1991 | Acta Metallurgica Sinica(English Letters)1991，4，9： | 0 |
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